Incorporating preferences on suitable peers into benchmarking analyses may ensure the
setting of appropriate targets, which enable designing plans for improving performance that …

Shipping management has an essential influence on the development of shipping industry.
Management efficiency is one of the important indexes to measure the quality of shipping …

This paper constructs the total-factor ecological efficiency (TFEcE) and the total-factor
ecological productivity index (TFEcPI) based on the proposed Shephard ecology distance …

In recent years, China's research and development (R&D) investment has increased rapidly,
which has led to concerns about overinvestment in China's R&D activities. This paper …

This research develops a bootstrapped Malmquist environmental performance indicator for
exploring the operating efficiency and variability of productivity estimates in China's coal …

In the context of resources saving and climate change, this study extends the Cooper-family
model by using a range adjusted measure (RAM) approach to incorporate carbon emissions …

Congestion is an economic phenomenon of overinvestment that occurs when excessive
inputs decrease the maximally possible outputs. Although decision-makers are unlikely to …

The conventional constant and variable returns-to-scale models of data envelopment
analysis (DEA) incorporate the assumption of strong, or free, disposability. According to this …

Abstract Data Envelopment Analysis (DEA) very often sets unrealistic targets, which require
from the decision-making units (DMUs) a huge amount effort, perhaps non-assumable, for …

The nonparametric data envelopment analysis (DEA) methodology has gained much
popularity in assessing carbon emission performance within a joint production framework …